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Sunday, 5 May 2013

Soon, smartphones that change shape to fit function

Imagine a cellphone that bends to block a snooping bystander from reading your private messages!

Researchers, including an Indian origin scientist, have developed prototypes for gen-next shape-shifting smartphones and mobile devices that can change form on-demand.

The research introduces the term 'shape resolution' and its ten features, to describe the resolution of an interactive device, in addition to display and touch resolution.

The research, led by Dr Anne Roudaut and Professor Sriram Subramanian, from the University of Bristol's Department of Computer Science, have used 'shape resolution' to compare the resolution of six prototypes the team have built using the latest technologies in shape changing material, such as shape memory alloy and electro active polymer.

One example of a device is the team's concept of Morphees, self-actuated flexible mobile devices that can change shape on-demand to better fit the many services they are likely to support.

The team believes Morphees will be the next generation of mobile devices, where users can download applications that embed a dedicated form factor, for instance the "stress ball app" that collapses the device in on itself or the "game app" that makes it adopt a console-like shape.

"The interesting thing about our work is that we are a step towards enabling our mobile devices to change shape on-demand," Roudaut, Research Assistant in the Department of Computer Science's Bristol Interaction and Graphics group, said.

"Imagine downloading a game application on the app-store and that the mobile phone would shape-shift into a console-like shape in order to help the device to be grasped properly.

"The device could also transform into a sphere to serve as a stress ball, or bend itself to hide the screen when a password is being typed so passers-by can't see private information," said Roudaut.

By comparing the shape resolution of their prototypes, the researchers have created insights to help designers towards creating high shape resolution Morphees.

In future, the team hopes to build higher shape resolution Morphees by investigating the flexibility of materials.

They are also interested in exploring other kinds of deformations that the prototypes did not explore, such as porosity and stretchability.